JPH06349521A - High-temperature storage battery - Google Patents
High-temperature storage batteryInfo
- Publication number
- JPH06349521A JPH06349521A JP11750794A JP11750794A JPH06349521A JP H06349521 A JPH06349521 A JP H06349521A JP 11750794 A JP11750794 A JP 11750794A JP 11750794 A JP11750794 A JP 11750794A JP H06349521 A JPH06349521 A JP H06349521A
- Authority
- JP
- Japan
- Prior art keywords
- storage battery
- conduit
- panel
- cavity
- protected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/02—Permanently-installed equipment with containers for delivering the extinguishing substance
- A62C35/10—Containers destroyed or opened by flames or heat
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/36—Accumulators not provided for in groups H01M10/05-H01M10/34
- H01M10/39—Accumulators not provided for in groups H01M10/05-H01M10/34 working at high temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
Description
【０００１】本発明は高温蓄電池に係わる。更に本発明
は保護された高温蓄電池にも係わる。The present invention relates to high temperature storage batteries. The invention also relates to a protected high temperature storage battery.
【０００２】本発明の第１の態様によれば、セル収容キ
ャビティを規定するハウジングを形成する複数のパネル
と、前記パネルの中にあるかまたはこれに隣接する断熱
材と、前記セル収容キャビティ内にある少なくとも１つ
の非水性高温電気化学セルと、分散性保護物質を保持す
るための保持手段であって、前記キャビティ内の温度が
所定温度を超えたとき及び／または該手段が破裂したと
き、前記保護物質を前記キャビティ内に放出するように
されている保持手段とを具備する高温蓄電池が提供され
る。According to a first aspect of the present invention, a plurality of panels forming a housing defining a cell containing cavity, a heat insulating material in or adjacent to the panels, and in the cell containing cavity. At least one non-aqueous high temperature electrochemical cell in and a holding means for holding a dispersible protective substance, said temperature in said cavity exceeding a predetermined temperature and / or when said means ruptures, A high temperature storage battery is provided which comprises holding means adapted to release the protective substance into the cavity.
【０００３】本発明の第２の態様によれば、セル収容キ
ャビティを規定するハウジングを形成する複数のパネル
と、前記パネルの中にあるかまたはこれに隣接する断熱
材と、前記セル収容キャビティ内にある少なくとも１つ
の非水性高温電気化学セルと、分散性保護物質を保持す
るための保持手段であって、前記キャビティ内の温度が
所定温度を超えたとき及び／または該手段が破裂したと
き、前記保護物質を前記キャビティ内に放出するように
されている保持手段と、前記保持手段内にある分散性保
護物質とを具備する、保護された高温蓄電池が提供され
る。According to a second aspect of the invention, a plurality of panels forming a housing defining a cell containing cavity, a heat insulating material in or adjacent to the panels, and in the cell containing cavity. At least one non-aqueous high temperature electrochemical cell in and a holding means for holding a dispersible protective substance, said temperature in said cavity exceeding a predetermined temperature and / or when said means ruptures, A protected high temperature storage battery is provided which comprises a retaining means adapted to release the protective substance into the cavity and a dispersible protective substance present in the retaining means.
【０００４】ハウジングは、少なくとも原則としては所
望の形状とし得るが、通常は平面図において正方形また
は長方形である。The housing may be of any desired shape, at least in principle, but is usually square or rectangular in plan view.
【０００５】従ってハウジングは、床パネルと、上部パ
ネルと、床パネルと上部パネルの間で周囲に配置された
複数の側部パネルとを有し得る。各パネルは、断熱材が
パネル壁間に与えられた二重壁構成とし得る。Thus, the housing may have a floor panel, a top panel, and a plurality of side panels circumferentially disposed between the floor panel and the top panel. Each panel may be a double-walled configuration with insulation provided between the panel walls.
【０００６】蓄電池は、必要によっては、冷却用流体を
キャビティ内に導入するための供給手段と、使用済みの
冷却用流体をキャビティから回収するための回収手段と
を含み得る。The storage battery may optionally include a supply means for introducing the cooling fluid into the cavity and a recovery means for recovering the used cooling fluid from the cavity.
【０００７】所望であればモジュールまたはグループに
構成された複数の電気化学セルを、隣り合ったセルまた
はセルグループ間にスペースまたはギャップが設けられ
た状態で具備し得る。通常は空のスペースが、セルの上
方及びセルの下方に与えられ得る。冷却用流体供給手段
は、存在するとすれば、セルの上方にある上方スペー
ス、即ちセルと上部パネルとの間に通じる冷却用流体送
込口を含み得、一方、冷却用流体回収手段はセルの下方
にある下方スペース、即ちセルと床もしくは底部パネル
との間に通じる冷却用流体流出口を含み得、このとき、
セルまたはセルグループ間のギャップまたはスペースは
上方スペースと下方スペースとを相互接続しており、使
用に際して上方スペースから下方スペースへの冷却用流
体の移動を可能にする。If desired, a plurality of electrochemical cells arranged in modules or groups may be provided, with spaces or gaps between adjacent cells or cell groups. Normally empty space may be provided above and below the cell. The cooling fluid supply means, if present, may include an upper space above the cell, i.e., a cooling fluid inlet opening between the cell and the upper panel, while the cooling fluid recovery means is provided in the cell. It may include a lower space below, i.e. a cooling fluid outlet opening between the cell and the floor or bottom panel, where
The gaps or spaces between the cells or groups of cells interconnect the upper space and the lower space and allow the transfer of cooling fluid from the upper space to the lower space in use.
【０００８】電気化学セルは、セルの動作温度では、溶
融形態のアルカリ金属を含む種類のものとし得る。即ち
例えばセルは、基本的に、溶融アルカリ金属電極と、カ
ルコゲン電極と、電極間の固体電解質とを含む、溶融ア
ルカリ金属／カルコゲンタイプのものとし得る。溶融ア
ルカリ金属は通常はナトリウムであり、カルコゲンは硫
黄またはポリスルフィドであり、固体電解質はβ−アル
ミナである。このようなセルは３００〜４００℃の範囲
の動作温度を有する。The electrochemical cell may be of a type that contains alkali metal in molten form at the operating temperature of the cell. Thus, for example, the cell may be of the molten alkali metal / chalcogen type, which basically comprises a molten alkali metal electrode, a chalcogen electrode, and a solid electrolyte between the electrodes. The molten alkali metal is usually sodium, the chalcogen is sulfur or polysulfide, and the solid electrolyte is β-alumina. Such cells have operating temperatures in the range of 300-400 ° C.
【０００９】しかしながら、或いは電気化学セルは、セ
ルの動作温度において充電状態にあるとき、溶融アルカ
リ金属アノードと、アルカリ金属アルミニウムハロゲン
化物溶融塩電解質、該電解質が含浸された導電性電解質
浸透性マトリックス、及び該マトリックス中に分散され
た遷移金属塩化物からなるカソードまたは半電池と、ア
ノードをカソードから分離するためのセパレータとを具
備する種類のものとし得る。通常、アルカリ金属はナト
リウムであり、電解液は塩化アルミニウムナトリウム
（ＮａＡｌＣｌ4）であり、遷移金属は鉄またはニッケ
ルであり、セパレータはβ−アルミナである。このセル
の動作温度は２５０〜４００℃の範囲である。Alternatively, however, the electrochemical cell has a molten alkali metal anode, an alkali metal aluminum halide molten salt electrolyte, a conductive electrolyte permeable matrix impregnated with the electrolyte, when in a charged state at the operating temperature of the cell. And a cathode or half-cell consisting of a transition metal chloride dispersed in the matrix, and a separator for separating the anode from the cathode. Usually, the alkali metal is sodium, the electrolyte is sodium aluminum chloride (NaAlCl 4 ), the transition metal is iron or nickel, and the separator is β-alumina. The operating temperature of this cell is in the range of 250-400 ° C.
【００１０】従って、使用に際して上記蓄電池は２５０
〜４００℃の動作温度にある。蓄電池に前述のごとき冷
却用流体供給及び回収手段が備えられている場合は、冷
却用流体送込口、空スペース及び冷却用流体流出口を介
して収容キャビティ内に空気のごとき冷却用流体を通す
ことにより動作温度は調節されるが、蓄電池が冷却用流
体供給及び回収手段を持たない種類のものであるなら
ば、動作温度は、セルのタイプ及び構成、蓄電池の構
成、使用する断熱材などによって決定される。Therefore, the storage battery is 250
At operating temperature of ~ 400 ° C. When the storage battery is equipped with the cooling fluid supply and recovery means as described above, the cooling fluid such as air is passed through the cooling fluid inlet, the empty space, and the cooling fluid outlet into the accommodation cavity. Although the operating temperature is adjusted by this, if the storage battery is of a type that does not have a cooling fluid supply and recovery means, the operating temperature will depend on the cell type and configuration, the storage battery configuration, the insulation used, etc. It is determined.
【００１１】保持手段は、所定温度で破裂するのに十分
に軟化し得る材料の導管を具備し得、該導管は蓄電池内
に、破裂性内部導管の形態となるように配置される。破
裂性内部導管は、上方スペース及び／または下方スペー
ス内に設置し得る。破裂性内部導管はかかるスペースに
伸びると共に、上部パネル及び／または床パネルに当接
して位置し得る。例えば、破裂性内部導管は該スペース
内にジグザグ形またはそれに似た態様で配置し得る。The retaining means may comprise a conduit of material that is soft enough to rupture at a predetermined temperature, the conduit being arranged in the battery in the form of a rupturable internal conduit. The rupturable internal conduit may be located in the upper space and / or the lower space. The rupturable internal conduit extends into such space and may be located against the top panel and / or floor panel. For example, the rupturable internal conduit may be arranged in the space in a zigzag or like manner.
【００１２】蓄電池が前述のごとき２５０〜４００℃の
動作温度にあるとき、蓄電池は導管及びその中に含まれ
る保護物質によって保護されており、導管及び保護物質
は蓄電池の保護系を構成している。蓄電池の温度が所定
温度より高くなると、導管の材料が融解または少なくと
も導管が破裂するのに十分に軟化し、それによって防火
性物質（ｆｉｒｅ ｉｎｈｉｂｉｔｉｎｇ ｓｕｂｓｔ
ａｎｃｅ）が上方及び／または下方スペース内並びにセ
ルの周囲に放出または分散され、そうすると、液体ナト
リウム及び他の成分がセル及びキャビティから逃散する
ことを防止もしくは阻止すること、並びに／または、空
気もしくは水がキャビティ内に進入するのを阻止するこ
とにより、保護作用が提供される。同様に、保護物質は
導管破裂の際にも放出されるが、この導管破裂は、例え
ば蓄電池を搭載している車両が事故に巻き込まれたとし
たら起こるであろうハウジングの破壊の際に生じ得る。When the storage battery is at the operating temperature of 250 to 400 ° C. as described above, the storage battery is protected by the conduit and the protective substance contained therein, and the conduit and the protective substance constitute the protection system of the battery. . When the temperature of the storage battery rises above a predetermined temperature, the material of the conduit softens or at least softens sufficiently that the conduit ruptures, thereby producing a fire inhibiting substance.
ance) is released or dispersed in the upper and / or lower space and around the cells, which prevents or prevents liquid sodium and other components from escaping the cells and cavities and / or air or water. A protective action is provided by blocking the entry of the s into the cavity. Similarly, protective substances are also released in the event of a conduit rupture, which can occur, for example, in the event of destruction of the housing, which would occur if the vehicle carrying the accumulator were involved in an accident.
【００１３】破裂性導管材料は、約６６０℃の温度で融
解し、約５００℃以上の温度で既に軟化し、従って脆弱
化するアルミニウムとし得る。この場合、所定温度は約
５００〜６００℃であり、正常動作温度より約２００℃
高くなり得る。所定温度が３００〜３５０℃にあるよう
な比較的低い動作温度を有する蓄電池においては、導管
材料はプラスチックまたはポリマー材料とし得、従って
破壊性内部導管は高温プラスチック圧力管である。プラ
スチック材料は、所定温度で破裂または軟化するように
選択される。The rupturable conduit material may be aluminum which melts at a temperature of about 660 ° C. and softens and therefore becomes brittle at temperatures above about 500 ° C. In this case, the predetermined temperature is about 500 to 600 ° C, which is about 200 ° C from the normal operating temperature.
Can be high. In batteries having a relatively low operating temperature, such as the predetermined temperature being between 300 and 350 ° C., the conduit material may be a plastic or polymeric material, so the rupturable internal conduit is a high temperature plastic pressure tube. The plastic material is selected to burst or soften at a given temperature.
【００１４】分散性保護物質は、内部破裂性導管内で加
圧下に維持され得る。蓄電池から離れて置かれた該物質
の供給源を含む加圧タンクを備えることができ、外部導
管によって破裂性内部導管を該タンクに操作的に連結し
得る。The dispersible protective material may be maintained under pressure within the internal rupturable conduit. A pressurized tank containing a source of the material located remote from the battery can be provided and an rupturable inner conduit can be operably connected to the tank by an outer conduit.
【００１５】分散性保護物質は無機防火性または難燃性
物質からなり得る。分散性防火性または難燃性物質は原
則として任意の適当な分散可能形態とし得るが、本出願
人らは、内部導管内では液体形態または液体／固体混合
形態であって、放出されたときに発泡または膨張し、そ
れによってキャビティを密封する物質が好結果を与える
と考えている。更に該物質は、泡が固定または硬化する
ようなものとし得る。The dispersible protective substance may consist of an inorganic fire-retardant or flame-retardant substance. Although the dispersible fire-retardant or flame-retardant material can, in principle, be in any suitable dispersible form, Applicants have found that they are in liquid form or in a liquid / solid mixed form in the inner conduit and when released It is believed that a material that foams or expands, thereby sealing the cavity, gives good results. Further, the material may be such that the foam fixes or hardens.
【００１６】従って保護物質は、発泡性を増強すべく界
面活性剤と混合したシリカ分散系を含み得る。シリカ分
散系は、シリカ粉末を適当な担体内に分散することによ
り得られるものとし得る。或いは、第１成分としてケイ
酸ナトリウム溶液と混合したシリカ分散系を、別の第２
成分として硝酸カルシウム溶液を使用し得るが、この場
合、２組の導管及び加圧タンクが必要とされる。両混合
物が混合するように放出されると、ケイ酸カルシウムが
沈殿する。The protective material may thus comprise a silica dispersion mixed with a surfactant to enhance foamability. The silica dispersion may be obtained by dispersing silica powder in a suitable carrier. Alternatively, a silica dispersion mixed with a sodium silicate solution as the first component is added to another second
A calcium nitrate solution can be used as a component, but in this case two sets of conduits and a pressure tank are required. When both mixtures are released to mix, the calcium silicate precipitates.
【００１７】混合液は非水性でもよく、その場合は無機
防火性物質として、シリカ、アルミナ、チタニア及びジ
ルコニアからなる群から選択される少なくとも１種の酸
化物を含み得る。かかる酸化物の例としてはＤｅｇｕｓ
ｓａ ＳＡから商標ＡＥＲＯＳＯＬで入手可能なものが
ある。The mixture may be non-aqueous, in which case it may contain as inorganic refractory material at least one oxide selected from the group consisting of silica, alumina, titania and zirconia. Examples of such oxides are Degus
Some are available from sa SA under the trademark AEROSOL.
【００１８】或いは、混合液は水性でもよく、その場合
は無機防火性物質として、シリケート及びホスフェート
からなる群から選択される化合物を含み得る。適当なホ
スフェートの例としては、Ａｌｂｒｉｇｈｔ ａｎｄ
Ｗｉｌｓｏｎから入手可能な塩化水素酸アルミニウムの
ごとき水性アルミナゾルをリン酸溶液と混合することに
より得られるものがある。別の例としてはリン酸アルミ
ニウムがある。Alternatively, the mixture may be aqueous, in which case it may comprise as inorganic fire-retardant substance a compound selected from the group consisting of silicates and phosphates. Examples of suitable phosphates include Albright and
Some are obtained by mixing an aqueous alumina sol, such as aluminum hydrochloride, available from Wilson, with a phosphoric acid solution. Another example is aluminum phosphate.
【００１９】保護物質は、他の成分と混合した吸着性マ
イクロモレキュラーシーブ（ｓｏｒｂｅｎｔ ｍｉｃｒ
ｏｍｏｌｅｃｕｌａｒ ｓｉｅｖｅ）材料を含み得る。
吸着性マイクロモレキュラーシーブ材料は存在させると
すれば脱水ゼオライトまたは脱水テクトケイ酸塩とし
得、これらは米国特許第４２６９９０５号に記載のごと
きものであり、該特許は参照により本明細書の一部を構
成するものとする。The protective material is an adsorbent micromolecular sieve mixed with other ingredients.
Omocular sieve) material may be included.
The adsorptive micromolecular sieve material, if present, may be dehydrated zeolite or dehydrated tectosilicate, such as those described in US Pat. No. 4,269,905, which is hereby incorporated by reference. It shall be.
【００２０】保護物質は発泡性を増強すべく界面活性剤
を含み得る。界面活性剤は例えば、分散系が非水性であ
る場合はポリジメチルシロキサンのごとき液体シリコー
ンとし得る。分散系が水性である場合は、界面活性剤は
カチオン性、アニオン性または非イオン性界面活性剤、
例えばヘキサメチルテトラメチルアンモニウムブロミ
ド、ドデシル硫酸ナトリウムまたはポリエチレングリコ
ールとし得る。The protective material may include a surfactant to enhance foaming properties. The surfactant can be, for example, a liquid silicone such as polydimethylsiloxane when the dispersion is non-aqueous. If the dispersion is aqueous, the surfactant is a cationic, anionic or nonionic surfactant,
It can be, for example, hexamethyltetramethylammonium bromide, sodium dodecyl sulfate or polyethylene glycol.
【００２１】保護物質は、アジドのごとき噴射剤、また
は圧縮不活性ガス、例えばアルゴンもしくは窒素を含み
得る。Protective substances may include propellants such as azides, or compressed inert gases such as argon or nitrogen.
【００２２】[0022]
【実施例】以下、添付の図面を参照し、本発明を実施例
によって説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described by way of embodiments with reference to the accompanying drawings.
【００２３】図中、参照番号１０は本発明の保護された
高温蓄電池の全体を指す。In the drawings, reference numeral 10 generally indicates the protected high temperature storage battery of the present invention.
【００２４】蓄電池１０はハウジング１２を含む。ハウ
ジング１２は、床パネル１４と、床パネルから間隔を置
いて設置されている上部パネル１６と、パネル１４，１
６間で周囲に配設された側部パネル１８とからなる。各
パネルは二重壁化されており（図示せず）、適当な断熱
材、例えば排気ガラスファイバーマット（ｅｖａｃｕａ
ｔｅｄ ｇｌａｓｓ ｆｉｂｒｅ ｍａｔｓ）が壁間に
備えられている。電気化学セル収容キャビティ２０はパ
ネル１４，１６及び１８間に規定されている。The storage battery 10 includes a housing 12. The housing 12 includes a floor panel 14, an upper panel 16 spaced apart from the floor panel, and panels 14, 1.
6 and side panels 18 arranged around the space. Each panel is double-walled (not shown) and has suitable insulation, such as exhaust fiberglass mat (evacua).
Ted glass fiber mats are provided between the walls. An electrochemical cell containing cavity 20 is defined between the panels 14, 16 and 18.
【００２５】蓄電池１０は更に、複数の、通常は数百の
電気化学セル２２を含む。セル２２は通常はモジュール
に構成されており、円筒形形状である。セルは、完全に
充電された状態で且つその３００℃〜４００℃の動作温
度においては、溶融ナトリウムアノード／β−アルミナ
固体電解質／硫黄電極によって表わされるタイプのもの
とし得る。しかしながら、或いはセルは、先と同じ条件
下で、ナトリウムアノード／β−アルミナセパレータ／
塩化アルミニウムナトリウム電解質が含浸された導電性
電解質浸透性マトリックス、及びマトリックス中に分散
された塩化ニッケルまたは塩化鉄によって表わされるタ
イプのものともし得る。The storage battery 10 further includes a plurality, typically hundreds, of electrochemical cells 22. The cells 22 are usually modular and have a cylindrical shape. The cell may be of the type represented by a molten sodium anode / β-alumina solid electrolyte / sulfur electrode in the fully charged state and at its operating temperature of 300 ° C to 400 ° C. However, or alternatively, the cell may be treated under the same conditions as before, such as sodium anode / β-alumina separator /
It may also be of the type represented by a conductive electrolyte permeable matrix impregnated with sodium aluminum chloride electrolyte and nickel chloride or iron chloride dispersed in the matrix.
【００２６】セル２２は、セルと上方パネル１６との間
に空の上方スペース２４ができ、セル２２と床パネル１
４との間の空の下方スペース２６ができるように配置さ
れている。隣り合ったセル間またはセルグループもしく
はモジュール間にはギャップまたはスペース（図示せ
ず）が与えられており、スペース２４，２６はかかるギ
ャップまたはスペースによって相互に連通している。The cell 22 has an empty upper space 24 between the cell and the upper panel 16, and the cell 22 and the floor panel 1
It is arranged such that there is an empty lower space 26 between the two. Gaps or spaces (not shown) are provided between adjacent cells or cell groups or modules, and the spaces 24, 26 are in communication with each other by such gaps or spaces.
【００２７】冷却用流体送込口２８は１つの側部パネル
１８を貫いて上方スペース２４内に通じており、冷却用
流体流出口３０はスペース２６内から別の１つの側部パ
ネル１８を貫通している。A cooling fluid inlet 28 extends through one side panel 18 into the upper space 24, and a cooling fluid outlet 30 extends from within the space 26 to another side panel 18. is doing.
【００２８】蓄電池１０は更に、全体が参照番号４０で
示された保護系を含んでいる。保護系４０は、パネル１
６の下面及びパネル１４の上面に沿ってジグザグ形に配
置された内部アルミニウム導管またはチューブ４２を備
えている。導管４２の一端は遮蔽されており、他端は、
１つの側部パネル１８を貫いて延伸し且つ適当な外部チ
ューブまたは導管４３に連結されている。導管４３は加
圧シリンダ４４の形態の容器に通じているが、この加圧
シリンダ４４はハウジング１２の外部、例えば蓄電池が
車両に搭載されて車両推進のために使用されるものであ
れば車両のエンジン格納室または車両トランク内に設置
されている。Storage battery 10 further includes a protection system, generally designated by the reference numeral 40. The protection system 40 is the panel 1
6 and an inner aluminum conduit or tube 42 arranged in a zigzag pattern along the lower surface of panel 6 and the upper surface of panel 14. One end of the conduit 42 is shielded and the other end is
It extends through one side panel 18 and is connected to a suitable outer tube or conduit 43. The conduit 43 leads to a container in the form of a pressurizing cylinder 44, which is external to the housing 12, for example a vehicle if a storage battery is mounted on the vehicle and used for vehicle propulsion. Installed in the engine compartment or vehicle trunk.
【００２９】加圧シリンダ４４及びチューブ４２，４３
は後述するような難燃性物質を含む。Pressure cylinder 44 and tubes 42, 43
Contains a flame retardant substance as described below.
【００３０】使用に際して、セル２２は３００℃〜４０
０℃の範囲の動作温度にあるが、これは更に蓄電池１０
の動作温度でもある。キャビティ２０内の温度がアルミ
ニウムの軟化点以上の温度、即ちアルミニウムの軟化点
と融解温度の間の約６００℃〜６６０℃に上昇すると、
チューブ４２はその中にある物質の圧力下に破裂し、そ
うすると難燃性物質は逃散し、キャビティ２０内の全て
の空隙、即ちスペース２４，２６及びセル間のギャップ
またはスペースを充填する。該物質は、後述するよう
に、導管４２から放出されると発泡し、次いで、硬化し
てキャビティ２０を封止する。In use, the cell 22 is kept at 300 ° C-40 ° C.
It has an operating temperature in the range of 0 ° C, which is
It is also the operating temperature. When the temperature in the cavity 20 rises above the softening point of aluminum, that is, between about 600 ° C. and 660 ° C. between the softening point and melting temperature of aluminum,
The tube 42 ruptures under the pressure of the material therein, causing the flame retardant material to escape and fill all voids within the cavity 20, ie, the spaces 24, 26 and the gaps or spaces between the cells. The material foams when released from the conduit 42 and then cures to seal the cavity 20, as described below.
【００３１】前述のごとき異常温度上昇は、典型的に
は、例えばセルの異常故障または極端な過充電の結果起
こり得る蓄電池１０内での発火の場合に起こる。また例
えば蓄電池１０は車両のエンジン格納室内に置くことが
でき、車両が事故に巻き込まれ、その結果セルが破裂ま
たは押し潰された場合にも、温度上昇は起こり得る。The abnormal temperature rise as described above typically occurs in the case of ignition in the storage battery 10, which can result, for example, from abnormal cell failure or extreme overcharging. Further, for example, the storage battery 10 can be placed in the engine storage compartment of the vehicle, and when the vehicle is involved in an accident and the cells are ruptured or crushed as a result, the temperature rise can occur.
【００３２】キャビティ２０内に与えられる硬質フォー
ムブランケットによって、溶融ナトリウムがキャビティ
２０から逃散することが防止される。液体ナトリウムが
蓄電池１０から逃散すると、空気の存在下で温度が３０
０℃を超えると自然発火し、従って蓄電池の外部に存在
する発火条件はいっそう悪化する。更に、硬質フォーム
ブランケットは空気及び水が例えば消防士のホースから
キャビティ２０内に進入することを制限する。The rigid foam blanket provided in the cavity 20 prevents molten sodium from escaping from the cavity 20. When liquid sodium escapes from the storage battery 10, the temperature will rise to 30 in the presence of air.
When the temperature exceeds 0 ° C, spontaneous ignition occurs, so that the ignition conditions existing outside the storage battery are further deteriorated. In addition, the rigid foam blanket restricts air and water from entering cavity 20 from, for example, a firefighter's hose.
【００３３】また、ハウジング１２及びチューブ４２
が、蓄電池が取り付けられた車両が事故に巻き込まれた
場合に起こり得るような例えば鋭利なもので穿孔されて
破裂した場合にも、保護物質は逃散し、前述のごときス
ペース及びギャップを充填する。Further, the housing 12 and the tube 42
However, if the vehicle with the accumulator battery is pierced and ruptured by a sharp object, for example, if it were involved in an accident, the protective substance escapes and fills the spaces and gaps as described above.
【００３４】１つの実施例においては、分散性難燃性物
質は、Ｄｅｇｕｓａ ＡＧから商標ＡＥＲＯＳＩＬ Ｏ
Ｘ５０で入手可能な火炎加水分解（ｆｌａｍｅ ｈｙｄ
ｒｏｌｙｓｅｄ）シリカ粉末を、揮発性担体液体、例え
ばＩＣＩ ＰＬＣから商標ＧＥＮＫＬＥＮＥで入手可能
な１：１：１トリクロロエタン中に酸化物濃度約１５０
ｇ／リットルで分散させることにより調製されるシリカ
のコロイド分散系またはゾルとし得る。Ｄｏｗ Ｃｏｒ
ｎｉｎｇ Ｌｉｍｉｔｅｄから入手可能な液体シリコー
ンのごとき発泡剤を前記ゾル中に濃度約０．５ｗ／ｏ、
即ちゾル中に存在する全酸化物１００ｇに対して発泡剤
０．５ｇの量で溶解する。この物質または組成物を容器
４４及びアルミニウムチューブ４２内に加圧下、通常は
アルゴンまたは窒素のごとき圧縮不活性ガスによって約
５バールの圧力で収容し得る。前述のごとくチューブ４
２が破裂すると、非水性シリカを含むフォームがキャビ
ティ２０内に放出され、通常より高い蓄電池温度におい
て担体液体が蒸発すると硬質、即ちセラミック状の保護
フォーム構造体が得られる。In one embodiment, the dispersible flame retardant material is commercially available from Degusa AG under the trademark AEROSIL O.
Flame hydrolysis available at X50
silica) powder in a volatile carrier liquid such as 1: 1: 1 trichloroethane available under the trademark GENKLENE from ICI PLC with an oxide concentration of about 150.
It can be a colloidal dispersion of silica or a sol prepared by dispersing at g / l. Dow Cor
a blowing agent such as liquid silicone available from Ning Limited at a concentration of about 0.5 w / o in the sol,
That is, the foaming agent is dissolved in an amount of 0.5 g based on 100 g of all oxides present in the sol. This material or composition may be contained in a container 44 and an aluminum tube 42 under pressure, usually with a compressed inert gas such as argon or nitrogen, at a pressure of about 5 bar. Tube 4 as described above
When the 2 ruptures, a foam containing non-aqueous silica is released into the cavity 20 and the carrier liquid evaporates at higher than normal battery temperatures resulting in a rigid or ceramic protective foam structure.
【００３５】或いは、本発明の別の実施例においては、
各々が加圧シリンダ４４と自身のチューブ４２及び４３
とを含む２つの保護系が与えられ得る。一方の系内に
は、例えばＭｏｎｓａｎｔｏ Ｃｏｍｐａｎｙから商標
ＳＹＴＯＮ Ｘ３０で入手可能であって３６６ｇ／リッ
トルの酸化物を含む水性シリカゾルと、ケイ酸ナトリウ
ム溶液（例えば商標ＦＬＵＫＡで入手可能なもの）と
を、５０ｗ／ｏのシリカ含有量がシリカゾルによって与
えられるように含むと共に、Ｄｏｗ Ｃｏｒｎｉｎｇ
Ｌｉｍｉｔｅｄから商標ＤＣ１９３で入手可能なシリコ
ーン−グリコールコポリマーのごとき発泡剤をも含む混
合物が導入される。発泡剤は全酸化物の約０．５質量％
の濃度で存在させる。他方の系内には、ＤＣ１９３発泡
剤を含む硝酸カルシウム溶液が導入される。各系は、圧
縮不活性ガス、例えばアルゴンまたは窒素によって約５
バールの圧力下に維持される。上述のごとくアルミニウ
ム導管４２が破裂すると、各混合液は加圧下に発射さ
れ、キャビティ２０でこれら２つの液体の成分は均密に
混合する。均密混合すると、フォーム中でケイ酸カルシ
ウムが沈殿する。通常より高い蓄電池温度において蒸発
が起こることにより、フォーム中の含水量が著しく低下
すると直ちに、硬質、即ちセラミック状フォームが生成
される。Alternatively, in another embodiment of the invention,
Each has a pressure cylinder 44 and its own tubes 42 and 43.
Two protection systems can be provided, including and. In one system, for example, 50 w of an aqueous silica sol available under the trademark SYTON X30 from Monsanto Company and containing 366 g / l of oxide and a sodium silicate solution (eg available under the trademark FLUKA). Dow Corning with a silica content of / o included as provided by the silica sol.
A mixture is also introduced that also contains a blowing agent, such as a silicone-glycol copolymer available from Limited under the trademark DC193. Blowing agent is about 0.5% by mass of total oxide
Is present at a concentration of. A calcium nitrate solution containing a DC193 foaming agent is introduced into the other system. Each system is maintained at about 5 with a compressed inert gas such as argon or nitrogen.
Maintained under bar pressure. When the aluminum conduit 42 ruptures as described above, each mixture is fired under pressure and in the cavity 20 the two liquid components mix intimately. Upon intimate mixing, calcium silicate precipitates in the foam. Due to the evaporation occurring at higher than normal battery temperatures, a rigid or ceramic-like foam is produced as soon as the water content in the foam drops significantly.
【００３６】使用し得る非水性高温セルの別の例は、セ
ルの動作温度で充填状態にあるとき、リチウムアノード
と、硫化鉄カソードと、約４５０℃で融解する塩化リチ
ウム／塩化カリウムタイプの電解質とを有するものであ
る。使用し得る非水性高温セルの別の例は、前述のもの
と類似であるが、より低い融点の電解質、例えば融点が
約２００℃の電解質を有するものであって、そうする
と、アルミニウムの代わりにプラスチックのチューブ４
２を使用し得る。Another example of a non-aqueous high temperature cell that can be used is a lithium anode, an iron sulfide cathode, and a lithium chloride / potassium chloride type electrolyte that melts at about 450 ° C. when filled at the operating temperature of the cell. And have. Another example of a non-aqueous high temperature cell that can be used is similar to that described above, but with a lower melting electrolyte, eg, an electrolyte having a melting point of about 200 ° C., where plastic instead of aluminum is used. Tube 4
2 can be used.
【図１】保護された高温蓄電池の３次元斜視図である。FIG. 1 is a three-dimensional perspective view of a protected high temperature storage battery.
１０ 蓄電池 １２ ハウジング １４ 床パネル １６ 上部パネル １８ 側部パネル ２２ 電気化学セル ４２，４３ 導管 ４４ 加圧タンク 10 Storage Battery 12 Housing 14 Floor Panel 16 Top Panel 18 Side Panel 22 Electrochemical Cell 42,43 Conduit 44 Pressurized Tank
───────────────────────────────────────────────────── フロントページの続き (72)発明者 ロジヤー・ジヨン・ボーンズ イギリス国、オツクスフオードシヤー・オ ー・エツクス・13・３・ワイ・エス、アビ ングドン、ゴツドフレイ・クローズ・６ (72)発明者 デイビツド・レスリー・シーガル イギリス国、オツクスフオードシヤー・オ ー・エツクス・13・３・ワイ・エス、アビ ングドン、フアーガソン・プレイス・14 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Rozier Jyon Bournes England, Oxkusuf Odsher or Eksx 13.3 YS, Abingdon, Gotthardley Close 6 (72) Invention Author Davids Leslie Segal United Kingdom, Oxkus Oudshear O Eksx 13.3 YS, Abingdon, Farugasson Place 14
Claims (24)
グを形成する複数のパネルと、 前記パネルの中にあるかまたはこれに隣接する断熱材
と、 前記セル収容キャビティ内にある少なくとも１つの非水
性高温電気化学セルと、 分散性保護物質を保持するための保持手段であって、前
記キャビティ内の温度が所定温度を超えたとき及び／ま
たは該手段が破裂したとき、前記保護物質を前記キャビ
ティ内に放出するようにされている保持手段とを具備す
る高温蓄電池。1. A plurality of panels forming a housing defining a cell containing cavity, thermal insulation in or adjacent to the panel, and at least one non-aqueous high temperature electrical device within the cell containing cavity. A chemical cell and a holding means for holding a dispersible protective substance, the protective substance being released into the cavity when the temperature inside the cavity exceeds a predetermined temperature and / or when the means bursts. High temperature storage battery comprising a holding means adapted to:
ネルと、前記床パネルと上部パネルの間で周囲に配置さ
れた複数の側部パネルとを有しており、前記パネルの各
々が二重壁構造であってパネル壁間に断熱材を有してお
り、間隔を置いて配置された複数の電気化学セルが備え
られており、上方スペースが前記セルと前記上部パネル
との間に設けられており且つ下方スペースが前記セルと
前記床パネルとの間に設けられており、前記上方スペー
スに通じる冷却用流体送込口を含む冷却用流体供給手段
と、前記下方スペースに通じる冷却用流体流出口を含む
冷却用流体回収手段とが備えられており、前記セル間の
間隔が、前記上方スペースと前記下方スペースとを相互
連通し、前記上方スペースから前記下方スペースへの前
記冷却用流体の移動を可能にしている請求項１に記載の
蓄電池。2. The housing has a floor panel, a top panel, and a plurality of side panels circumferentially disposed between the floor panel and the top panel, each of the panels being dual. A wall structure having insulation between the panel walls, comprising a plurality of spaced electrochemical cells, wherein an upper space is provided between the cells and the upper panel And a lower space is provided between the cell and the floor panel, a cooling fluid supply means including a cooling fluid inlet port communicating with the upper space, and a cooling fluid flow communicating with the lower space. A cooling fluid recovery means including an outlet is provided, and an interval between the cells makes the upper space and the lower space communicate with each other, and moves the cooling fluid from the upper space to the lower space. The storage battery according to claim 1, wherein the storage battery is enabled.
に十分に軟化し得る材料の導管を含み、前記導管が該蓄
電池内で、破裂性内部導管の形態であるように配置され
ている請求項２に記載の蓄電池。3. The retaining means comprises a conduit of a material capable of softening sufficiently to rupture at a predetermined temperature, the conduit being arranged within the battery in the form of a rupturable internal conduit. The storage battery according to claim 2.
及び／または前記下方スペース内に配置されている請求
項３に記載の蓄電池。4. The storage battery according to claim 3, wherein the rupturable internal conduit is arranged in the upper space and / or the lower space.
びると共に、前記上部パネル及び／または床パネルに当
接して配置されている請求項４に記載の蓄電池。5. The storage battery according to claim 4, wherein the rupturable internal conduit extends into the space and is disposed in contact with the upper panel and / or the floor panel.
５００℃以上の温度で既に軟化し、従って脆弱化するア
ルミニウムである請求項３から５のいずれか一項に記載
の蓄電池。6. The conduit material melts at about 660 ° C.,
Storage battery according to any one of claims 3 to 5, which is aluminum which has already softened and thus becomes brittle at temperatures above 500 ° C.
マー材料であり、従って前記破裂性内部導管が高温プラ
スチック圧力管である請求項３から５のいずれか一項に
記載の蓄電池。7. A storage battery according to claim 3, wherein the conduit material is a plastic or polymer material and thus the rupturable inner conduit is a high temperature plastic pressure tube.
保護物質の供給源を収容するための加圧容器を含んでお
り、外部導管によって前記破裂性内部導管が前記容器に
操作的に連結される請求項３から７のいずれか一項に記
載の蓄電池。8. A pressurized container for housing a source of dispersible protective material located away from the battery, the rupturable inner conduit operably connected to the container by an outer conduit. The storage battery according to any one of claims 3 to 7.
グを形成する複数のパネルと、 前記パネルの中にあるかまたはこれに隣接する断熱材
と、 前記セル収容キャビティ内にある少なくとも１つの非水
性高温電気化学セルと、 分散性保護物質を保持するための保持手段であって、前
記キャビティ内の温度が所定温度を超えたとき及び／ま
たは該手段が破裂したとき、前記保護物質を前記キャビ
ティ内に放出するようにされている保持手段と、 前記保持手段内にある分散性保護物質とを具備する、保
護された高温蓄電池。9. A plurality of panels forming a housing defining a cell containing cavity, thermal insulation within or adjacent to the panels, and at least one non-aqueous high temperature electrical device within the cell containing cavity. A chemical cell and a holding means for holding a dispersible protective substance, the protective substance being released into the cavity when the temperature inside the cavity exceeds a predetermined temperature and / or when the means bursts. A protected high temperature storage battery comprising a holding means adapted to do so and a dispersible protective substance present in said holding means.
パネルと、前記床パネルと上部パネルの間で周囲に配置
された複数の側部パネルとを有しており、前記パネルの
各々が二重壁構造であってパネル壁間に断熱材を有して
おり、間隔を置いて配置された複数の電気化学セルが備
えられており、上方スペースが前記セルと前記上部パネ
ルとの間に設けられており且つ下方スペースが前記セル
と前記床パネルとの間に設けられており、前記上方スペ
ースに通じる冷却用流体送込口を含む冷却用流体供給手
段と、前記下方スペースに通じる冷却用流体流出口を含
む冷却用流体回収手段とが備えられており、前記セル間
の間隔が、前記上方スペースと前記下方スペースとを相
互連通し、前記上方スペースから前記下方スペースへの
前記冷却用流体の移動を可能にしている請求項９に記載
の保護された蓄電池。10. The housing has a floor panel, a top panel, and a plurality of side panels circumferentially disposed between the floor panel and the top panel, each of the panels being dual. A wall structure having insulation between the panel walls, comprising a plurality of spaced electrochemical cells, wherein an upper space is provided between the cells and the upper panel And a lower space is provided between the cell and the floor panel, a cooling fluid supply means including a cooling fluid inlet port communicating with the upper space, and a cooling fluid flow communicating with the lower space. A cooling fluid recovery means including an outlet is provided, and an interval between the cells communicates the upper space and the lower space with each other, and transfers the cooling fluid from the upper space to the lower space. The protected storage battery according to claim 9, which is movable.
のに十分に軟化し得る材料の導管を含み、前記導管が該
蓄電池内で、破裂性内部導管の形態であるように配置さ
れている請求項１０に記載の保護された蓄電池。11. The retaining means comprises a conduit of a material capable of softening sufficiently to rupture at a predetermined temperature, the conduit being arranged within the battery in the form of a rupturable internal conduit. The protected storage battery according to claim 10.
ス及び／または前記下方スペース内に配置されている請
求項１１に記載の保護された蓄電池。12. The protected accumulator according to claim 11, wherein the rupturable internal conduit is located in the upper space and / or the lower space.
伸びると共に、前記上部パネル及び／または床パネルに
当接して配置されている請求項１２に記載の保護された
蓄電池。13. A protected accumulator according to claim 12, wherein the rupturable internal conduit extends into the space and is placed against the top panel and / or floor panel.
し、５００℃以上の温度で既に軟化し、従って脆弱化す
るアルミニウムである請求項１１から１３のいずれか一
項に記載の保護された蓄電池。14. A protected material according to any one of claims 11 to 13, wherein the conduit material is aluminum which melts at about 660 ° C. and already softens and thus becomes brittle at temperatures above 500 ° C. Storage battery.
リマー材料であり、従って前記破裂性内部導管が高温プ
ラスチック圧力管である請求項１１から１３のいずれか
一項に記載の保護された蓄電池。15. Protected storage battery according to any one of claims 11 to 13, wherein the conduit material is a plastic or polymer material and thus the rupturable inner conduit is a high temperature plastic pressure tube.
導管内に加圧下に保持されており、該蓄電池から離れて
設置された、分散性保護物質の供給源を収容するための
加圧容器が備えられており、外部導管によって前記破裂
性内部導管が前記容器に操作的に連結される請求項１１
から１５のいずれか一項に記載の保持された蓄電池。16. A pressurized container for containing a source of dispersible protective material, wherein the dispersible protective material is held under pressure within the rupturable internal conduit and is located remote from the storage battery. 12. A rupturable inner conduit is operably connected to the container by an outer conduit.
15. The retained storage battery according to any one of items 1 to 15.
を含むと共に前記内部導管内で液体／固体混合物の形態
であり、前記混合物が、放出されたときに発泡し、次い
で硬化し、従って前記キャビティを封止し得る請求項１
１から１６のいずれか一項に記載の保護された蓄電池。17. The dispersible protective material comprises an inorganic fire resistant material and is in the form of a liquid / solid mixture within the internal conduit, wherein the mixture foams when released and then cures, thus A cavity capable of sealing a cavity.
17. The protected storage battery according to any one of 1 to 16.
活性剤と混合されたシリカ分散系を含む請求項１７に記
載の保護された蓄電池。18. The protected storage battery of claim 17, wherein the material comprises a silica dispersion mixed with a surfactant to enhance foamability.
火性物質として、シリカ、アルミナ、チタニア及びジル
コニアからなる群から選択される少なくとも１種の酸化
物を含んでいる請求項１７に記載の保護された蓄電池。19. The method of claim 17, wherein the mixture is non-aqueous and contains, as an inorganic fire-retardant material, at least one oxide selected from the group consisting of silica, alumina, titania and zirconia. Protected storage battery.
性物質として、シリケート及びホスフェートからなる群
から選択される化合物を含んでいる請求項１７に記載の
保護された蓄電池。20. The protected accumulator according to claim 17, wherein the mixture is aqueous and contains as inorganic refractory material a compound selected from the group consisting of silicates and phosphates.
た吸着性マイクロモレキュラーシーブ材料を含んでいる
請求項１９または２０に記載の保護された蓄電池。21. A protected storage battery according to claim 19 or 20, wherein the protective material comprises an adsorbent micromolecular sieve material mixed with other components.
めの界面活性剤と噴射剤とを含んでいる請求項１９から
２１のいずれか一項に記載の保護された蓄電池。22. A protected storage battery according to any one of claims 19 to 21, wherein the protective substance comprises a surfactant for enhancing foamability and a propellant.
規の高温蓄電池。23. A novel high temperature storage battery substantially as described herein.
規の保護された高温蓄電池。24. A novel protected high temperature storage battery substantially as described herein.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9309116.3 | 1993-05-04 | ||
| GB939309116A GB9309116D0 (en) | 1993-05-04 | 1993-05-04 | High temparature storage battery |
| US08/238,164 US5607787A (en) | 1993-05-04 | 1994-05-03 | High temperature storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH06349521A true JPH06349521A (en) | 1994-12-22 |
Family
ID=26302847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11750794A Pending JPH06349521A (en) | 1993-05-04 | 1994-05-06 | High-temperature storage battery |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5607787A (en) |
| JP (1) | JPH06349521A (en) |
| DE (1) | DE4415744A1 (en) |
| FR (1) | FR2704981B1 (en) |
| GB (1) | GB2277830B (en) |
| ZA (1) | ZA943048B (en) |
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| JP2010147004A (en) * | 2008-12-22 | 2010-07-01 | Mitsubishi Motors Corp | Secondary battery unit |
| JP2011060755A (en) * | 2009-09-12 | 2011-03-24 | Tesla Motors Inc | Active thermal runaway mitigation system for use within battery pack |
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| JP2018055768A (en) * | 2016-09-26 | 2018-04-05 | 日本ドライケミカル株式会社 | Thermal runaway prevention system for secondary battery |
| JP2018063765A (en) * | 2016-10-11 | 2018-04-19 | 日本ドライケミカル株式会社 | Thermal Runaway Suppression System of Secondary Battery |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09259940A (en) * | 1996-03-26 | 1997-10-03 | Nissan Motor Co Ltd | Battery pack for electric vehicle |
| US8846245B2 (en) | 2008-09-05 | 2014-09-30 | Panasonic Corporation | Insulatable battery pack for secondary battery |
| JP2010147004A (en) * | 2008-12-22 | 2010-07-01 | Mitsubishi Motors Corp | Secondary battery unit |
| KR101297932B1 (en) * | 2009-09-10 | 2013-08-19 | 주식회사 엘지화학 | Laptop-computer battery pack having a heat-spreader |
| JP2011060755A (en) * | 2009-09-12 | 2011-03-24 | Tesla Motors Inc | Active thermal runaway mitigation system for use within battery pack |
| US9093726B2 (en) | 2009-09-12 | 2015-07-28 | Tesla Motors, Inc. | Active thermal runaway mitigation system for use within a battery pack |
| KR101229411B1 (en) * | 2012-01-16 | 2013-02-06 | (주)미섬시스텍 | Battery pack for preventing fire, oxidation and method for manufacturing thereof |
| JP2018055768A (en) * | 2016-09-26 | 2018-04-05 | 日本ドライケミカル株式会社 | Thermal runaway prevention system for secondary battery |
| JP2018063765A (en) * | 2016-10-11 | 2018-04-19 | 日本ドライケミカル株式会社 | Thermal Runaway Suppression System of Secondary Battery |
| KR102473248B1 (en) * | 2021-11-29 | 2022-12-02 | 주식회사 스탠더드시험연구소 | Fire Targeting Injection System for Fire Extinguishing of Batteries |
Also Published As
| Publication number | Publication date |
|---|---|
| US5607787A (en) | 1997-03-04 |
| FR2704981A1 (en) | 1994-11-10 |
| FR2704981B1 (en) | 1997-05-30 |
| GB2277830B (en) | 1996-10-23 |
| GB9408716D0 (en) | 1994-06-22 |
| GB2277830A (en) | 1994-11-09 |
| DE4415744A1 (en) | 1994-11-10 |
| ZA943048B (en) | 1995-01-30 |
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